fix overflow glitch on vertical slides in mobile safari

css/main.css

@@ -30,13 +30,13 @@ html, body {
 	width: 100%;
 	height: 100%;
 	min-height: 600px;
+	overflow: hidden;
 }
 
 body {
 	position: relative;
 	padding: 0;
 	margin: 0;
-	overflow: hidden;
 	
 	font-family: 'Lato', Times, 'Times New Roman', serif;
 	font-size: 36px;